study for test on 10/24/13
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the mantle? | a fleshy covering that protects the internal organs of a mollusk
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| What is a mollusk? | invertebrate with a soft body
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| What is body mass? | It contains a heart and other organs?
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| What is the head? | where sense organs are located
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| What are three types of mollusks? | bivalve, univalve, cephalpod
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| What are the five traits of a mollusk? | Most have a shell, and they have a three-part body (head, foot, and body mass), soft body, and most all live in water.
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| What are four traits of an echinoderm? | They all live in water, have two feet which helps them move and eat. They can regenerate, and have spiny skin.
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| What is a tube foot? | hollow structure with a sucker at the end
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| What is an echinoderm? | a spiny skinned invertebrate that lives in the ocean
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| How do tube feet help a sea star move? | Water is pumped into the tube feet and the feet extend. Water is sucked back into the body and the feet contract. As the tube feet extend and contract, the sea star moves ahead.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
dbothwell
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